the Backup Client Automatically After a Backup Session Completes
to Tools > Manage Backup Sets Wizard.
the appropriate Backup Set from the list.
through the Wizard until you see the Special Backup Set Items panel.
In the When Your Backup Session Completes box, check the Close Backup Client option.
Continue navigating through the Wizard and press Finish to save your changes.
Please note that the use of this feature is tied to a specific backup set. If you have multiple backup sets that are configured to run at the same time, the last one that runs will control whether the Client interface is closed or left on the screen.